		<select style="width:50%;" class="form-control" 
		ng-options="country.countryCode as country.countryName  for country in countryList" 
		ng-model="selectedItem.countryCode" ng-change="showProvince()">
			<option value="">请选择国家</option>
		</select>
		<select style="width:50%;" class="form-control" 
		ng-options="province.provinceCode as province.provinceName  for province in provinceList" 
		ng-model="selectedItem.provinceCode" ng-change="showCity()">
			<option value="">请选择省/直辖市代码</option>
		</select>
		<select style="width:50%;" class="form-control" 
		ng-options="city.cityCode as city.cityName  for city in cityList" 
		ng-model="selectedItem.cityCode" ng-change="showDistrict()">
			<option value="">请选择城市</option>
		</select>
		<select style="width:50%;" class="form-control" 
		ng-options="district.districtCode as district.districtName  for district in districtList" 
		ng-model="selectedItem.districtCode">
			<option value="">请选择区/县</option>
		</select>
